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Truck-Lite is offering a Pulse Width Modulation (PWM) Adapter Harness that eliminates headlight flicker in 2007- present Jeep JK models. The flicker that some Jeep JK users may see is the result of the PWM electrical system used on these models. You might be wondering, what is PWM? The PWM electrical system turns the lamps energy on and off extremely fast. Incandescent bulbs are too slow to respond, so flickering is not seen. This system is used to reduce the power to an incandescent bulb, extending bulb life. Why do LEDs flicker when used with PWM systems? LED headlamps respond very fast and follow vehicle commands closely, so in some cases the flicker can be seen. Truck-Lite has developed the PWM Adapter Harness, to eliminate the flicker. The adapter will: Store power during on time and deliver power during off time. This allows the lamp to utilize constant on energy.
No more light flicker from the Truck-Lite headlights when stopped. These harnesses work perfectly on my 2007 JK. Took 15 minutes to install both.
Using with JW Speaker 8700s on JK. Harnesses are excellent quality, far better then plain pigtails that I purchased originally. Still flicker when unlocking doors with remote or turning lights on with engine off. However, they no longer seem to flicker into oncoming traffic while driving, which is what really matters. Not sure why they don't work right when engine is off, but they get the job done when driving.
Truck-Lite is a multi-national company with over 3,000 employees but it all started at the kitchen sink of the founder George Baldwin. He was frustrated with the short life of trailer lights so he designed his own sealed market light and tested the seal in his kitchen sink. It worked, it sold, it was an industry first and it was a hit. That was not the end of Truck-Lite firsts. From LED S/T/T Lamps to LED forward lighting for armed services vehicles, Truck-Lite has been pushing innovation in lighting engineering for some time. All this innovation comes to bare in the design, testing and manufacturing of Truck-Lite Jeep lighting. Shop Truck-Lite Now